Yu Xian, an overworked office drone in his previous life, unexpectedly transmigrates to a world of cultivation and binds himself to the Grind King System. He doesn't even have time to lie flat, and before he knows it, he's going further and further down the path of endless grinding. Yu Xian had hoped to quietly build up his strength, but he soon discovers that the seemingly peaceful Xuanling Continent is becoming increasingly dangerous, with threats slowly spreading to his doorstep...